题文
3.125×(1.6+2
)÷(2
﹣0.625)
×
×
+
×
×
+
×
×
+
+
(1
﹣0.8)÷0.63﹣(
÷0.45﹣1
)
(3
+1
×7)÷1
﹣1
67×
+2
×3.75﹣4
×25%
789×788788﹣788×789789.
3.125×(1.6+2
)÷(2
﹣0.625)
×
×
+
×
×
+
×
×
+
+
(1
﹣0.8)÷0.63﹣(
÷0.45﹣1
)
(3
+1
×7)÷1
﹣1
67×
+2
×3.75﹣4
×25%
789×788788﹣788×789789.
试题篮
()